| Description | Including observations on report on Butterley Park Canal Tunnel, March 1907, copy of EH Mittons' proof of evidence, March 1907, plan of Hard and Soft Coals worked under the Butterley Park Reservoir, copy of case counsel to advise in Butterley Company and the Erewash Canal, 1907, typed copy of agreement between the two companies to end disputes over the overflow from Butterley Park Reservoir into the Cromford Canal, 12 May 1908 |